code: def __init__(self, schema, required=False):
      super().__init__(schema, required=required, extra=REMOVE_EXTRA)
  
file_path: dvc/dvc/config_schema.py
imports: import os
  from urllib.parse import urlparse
  from funcy import once, walk_values
  from voluptuous import REMOVE_EXTRA, All, Any, Coerce, Exclusive, Invalid, Lower, Optional, Range, Schema
  from dvc.log import logger
label_desc: Use image node_id 1 to create a new FeatureSchema object from inherited base classes: Schema with example: obj = FeatureSchema(schema, required)